Husband-and-wife owners Nicole and Steve O'Brien brought serious burger experience to this new Portage Park spot at 5739 W. Irving Park Rd. The menu includes burgers with toppings like caramelized onions, mushrooms, Swiss and bearnaise; and fries in varieties like the 24-hour double-fried french fries with sea salt and fries topped with pork belly, onion straws, and Carolina mustard. Read The Great Burgerelli's full review at RedEye.